# ========================================================================
# SublimErl - A Sublime Text 2 Plugin for Erlang Integrated Testing & Code Completion
#
# Copyright (C) 2013, Roberto Ostinelli <roberto@ostinelli.net>.
# All rights reserved.
#
# BSD License
#
# Redistribution and use in source and binary forms, with or without modification, are permitted provided
# that the following conditions are met:
#
#  * Redistributions of source code must retain the above copyright notice, this list of conditions and the
#        following disclaimer.
#  * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
#        the following disclaimer in the documentation and/or other materials provided with the distribution.
#  * Neither the name of the authors nor the names of its contributors may be used to endorse or promote
#        products derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ========================================================================

# imports
import sublime
import sublime_plugin
import os
import threading
from .sublimerl_core import *


# test runner
class SublimErlAutocompiler(SublimErlProjectLoader):

    def __init__(self, view):
        # init super
        SublimErlProjectLoader.__init__(self, view)
        # init
        self.panel_name = 'sublimerl_autocompiler'
        self.panel_buffer = ''
        
    def update_panel(self):
        if len(self.panel_buffer):
            panel_edit = self.panel.begin_edit()
            self.panel.insert(panel_edit, self.panel.size(), self.panel_buffer)
            self.panel.end_edit(panel_edit)
            self.panel.show(self.panel.size())
            self.panel_buffer = ''
            self.window.run_command("show_panel", {"panel": "output.%s" % self.panel_name})

    def hide_panel(self):
        self.window.run_command("hide_panel")

    def log(self, text):
        self.panel_buffer += text #.encode('utf-8')
        sublime.set_timeout(self.update_panel, 0)

    def compile(self):
        retcode, data = self.compile_source(skip_deps=True)
        if retcode != 0:
            self.log(data)
        else:
            sublime.set_timeout(self.hide_panel, 0)

# listener


class SublimErlAutocompilerListener(sublime_plugin.EventListener):

    # CALLBACK ON VIEW SAVE
    def on_post_save(self, view):
        # ensure context matches
        caret = view.sel()[0].a
        if not ('source.erlang' in view.scope_name(caret) and sublime.platform() != 'windows'):
            return
        # init
        autocompiler = SublimErlAutocompiler(view)
        # compile saved file & reload completions

        class SublimErlThread(threading.Thread):

            def run(self):
                # compile
                autocompiler.compile()
        SublimErlThread().start()
